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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2017 NXP.
* Copyright(c) 2017 Intel Corporation.
* Copyright (c) 2020 Samsung Electronics Co., Ltd All Rights Reserved
*/
#include <rte_malloc.h>
#include <rte_dev.h>
#include "rte_compat.h"
#include "rte_security.h"
#include "rte_security_driver.h"
/* Macro to check for invalid pointers */
#define RTE_PTR_OR_ERR_RET(ptr, retval) do { \
if ((ptr) == NULL) \
return retval; \
} while (0)
/* Macro to check for invalid pointers chains */
#define RTE_PTR_CHAIN3_OR_ERR_RET(p1, p2, p3, retval, last_retval) do { \
RTE_PTR_OR_ERR_RET(p1, retval); \
RTE_PTR_OR_ERR_RET(p1->p2, retval); \
RTE_PTR_OR_ERR_RET(p1->p2->p3, last_retval); \
} while (0)
struct rte_security_session *
rte_security_session_create(struct rte_security_ctx *instance,
struct rte_security_session_conf *conf,
struct rte_mempool *mp)
{
struct rte_security_session *sess = NULL;
RTE_PTR_CHAIN3_OR_ERR_RET(instance, ops, session_create, NULL, NULL);
RTE_PTR_OR_ERR_RET(conf, NULL);
RTE_PTR_OR_ERR_RET(mp, NULL);
if (rte_mempool_get(mp, (void **)&sess))
return NULL;
if (instance->ops->session_create(instance->device, conf, sess, mp)) {
rte_mempool_put(mp, (void *)sess);
return NULL;
}
instance->sess_cnt++;
return sess;
}
int
rte_security_session_update(struct rte_security_ctx *instance,
struct rte_security_session *sess,
struct rte_security_session_conf *conf)
{
RTE_PTR_CHAIN3_OR_ERR_RET(instance, ops, session_update, -EINVAL,
-ENOTSUP);
RTE_PTR_OR_ERR_RET(sess, -EINVAL);
RTE_PTR_OR_ERR_RET(conf, -EINVAL);
return instance->ops->session_update(instance->device, sess, conf);
}
unsigned int
rte_security_session_get_size(struct rte_security_ctx *instance)
{
RTE_PTR_CHAIN3_OR_ERR_RET(instance, ops, session_get_size, 0, 0);
return instance->ops->session_get_size(instance->device);
}
int
rte_security_session_stats_get(struct rte_security_ctx *instance,
struct rte_security_session *sess,
struct rte_security_stats *stats)
{
RTE_PTR_CHAIN3_OR_ERR_RET(instance, ops, session_stats_get, -EINVAL,
-ENOTSUP);
/* Parameter sess can be NULL in case of getting global statistics. */
RTE_PTR_OR_ERR_RET(stats, -EINVAL);
return instance->ops->session_stats_get(instance->device, sess, stats);
}
int
rte_security_session_destroy(struct rte_security_ctx *instance,
struct rte_security_session *sess)
{
int ret;
RTE_PTR_CHAIN3_OR_ERR_RET(instance, ops, session_destroy, -EINVAL,
-ENOTSUP);
RTE_PTR_OR_ERR_RET(sess, -EINVAL);
ret = instance->ops->session_destroy(instance->device, sess);
if (ret != 0)
return ret;
rte_mempool_put(rte_mempool_from_obj(sess), (void *)sess);
if (instance->sess_cnt)
instance->sess_cnt--;
return 0;
}
int
rte_security_set_pkt_metadata(struct rte_security_ctx *instance,
struct rte_security_session *sess,
struct rte_mbuf *m, void *params)
{
#ifdef RTE_DEBUG
RTE_PTR_OR_ERR_RET(sess, -EINVAL);
RTE_PTR_OR_ERR_RET(instance, -EINVAL);
RTE_PTR_OR_ERR_RET(instance->ops, -EINVAL);
#endif
RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->set_pkt_metadata, -ENOTSUP);
return instance->ops->set_pkt_metadata(instance->device,
sess, m, params);
}
void *
rte_security_get_userdata(struct rte_security_ctx *instance, uint64_t md)
{
void *userdata = NULL;
#ifdef RTE_DEBUG
RTE_PTR_OR_ERR_RET(instance, NULL);
RTE_PTR_OR_ERR_RET(instance->ops, NULL);
#endif
RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->get_userdata, NULL);
if (instance->ops->get_userdata(instance->device, md, &userdata))
return NULL;
return userdata;
}
const struct rte_security_capability *
rte_security_capabilities_get(struct rte_security_ctx *instance)
{
RTE_PTR_CHAIN3_OR_ERR_RET(instance, ops, capabilities_get, NULL, NULL);
return instance->ops->capabilities_get(instance->device);
}
const struct rte_security_capability *
rte_security_capability_get(struct rte_security_ctx *instance,
struct rte_security_capability_idx *idx)
{
const struct rte_security_capability *capabilities;
const struct rte_security_capability *capability;
uint16_t i = 0;
RTE_PTR_CHAIN3_OR_ERR_RET(instance, ops, capabilities_get, NULL, NULL);
RTE_PTR_OR_ERR_RET(idx, NULL);
capabilities = instance->ops->capabilities_get(instance->device);
if (capabilities == NULL)
return NULL;
while ((capability = &capabilities[i++])->action
!= RTE_SECURITY_ACTION_TYPE_NONE) {
if (capability->action == idx->action &&
capability->protocol == idx->protocol) {
if (idx->protocol == RTE_SECURITY_PROTOCOL_IPSEC) {
if (capability->ipsec.proto ==
idx->ipsec.proto &&
capability->ipsec.mode ==
idx->ipsec.mode &&
capability->ipsec.direction ==
idx->ipsec.direction)
return capability;
} else if (idx->protocol == RTE_SECURITY_PROTOCOL_PDCP) {
if (capability->pdcp.domain ==
idx->pdcp.domain)
return capability;
}
}
}
return NULL;
}
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